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C84500 Brass vs. ASTM A27 Cast Steel

C84500 brass belongs to the copper alloys classification, while ASTM A27 cast steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C84500 brass and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 28
25 to 27
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 240
460 to 550
Tensile Strength: Yield (Proof), MPa 97
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 150
400
Melting Completion (Liquidus), °C 980
1460
Melting Onset (Solidus), °C 840
1420
Specific Heat Capacity, J/kg-K 360
470
Thermal Conductivity, W/m-K 72
52
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.8
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 47
18
Embodied Water, L/kg 340
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 45
140 to 260
Stiffness to Weight: Axial, points 6.6
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.7
16 to 20
Strength to Weight: Bending, points 9.8
17 to 19
Thermal Diffusivity, mm2/s 23
14
Thermal Shock Resistance, points 8.6
15 to 18